Intraday price change for BLK is about $4.96 from the day's low to the day's high.
The previous business day's price range from the open of $425.55 is expected to range from a low of $422.86 to a high of $427.82.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $425.82 and $425.28 assuming average price movements.
Note that events including news, BLK earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.